ZIP code
06851
Norwalk, CT
06851 covers Norwalk in Fairfield County, with 28,591 people in the ACS 2023 estimate.
Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 06851. Methodology
ZIP code map of 06851
About ZIP code 06851
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 06851. Not ACS. Methodology
People in 06851
Race
- White17,276
- Black or African American2,770
- American Indian or Alaska Native157
- Asian1,653
- Native Hawaiian and Pacific Islander5
- Other race3,061
- Two or more races3,332
Hispanic or Latino (any race): 6,760
Age
- Under 103,011
- 10 to 192,893
- 20 to 293,248
- 30 to 394,111
- 40 to 493,603
- 50 to 594,110
- 60 to 693,632
- 70 to 792,230
- 80 and older1,416
Income and housing in 06851
Education
- High school graduate90.7%
- Bachelor's degree44.0%
- Graduate degree19.0%
Places covering 06851
Cities and places — Population overlap
Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- Norwalk100.0%
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Counties — Population overlap
Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- Fairfield County100.0%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Population history for 06851
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 24,442 | |
| 2006 | 23,802 | |
| 2007 | 24,851 | |
| 2008 | 24,369 | |
| 2009 | 24,840 | |
| 2010 | 25,201 | |
| 2011 | 27,971 | 25,204 |
| 2012 | 28,616 | 25,480 |
| 2013 | 28,204 | 25,760 |
| 2014 | 27,994 | 25,900 |
| 2015 | 27,957 | 25,630 |
| 2016 | 27,101 | 25,460 |
| 2017 | 26,831 | 25,550 |
| 2018 | 26,671 | 25,470 |
| 2019 | 27,118 | 25,480 |
| 2020 | 27,028 | 25,740 |
| 2021 | 28,756 | 25,340 |
| 2022 | 28,217 | 25,820 |
| 2023 | 28,591 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 06851
12 nearest ZIP centroids (any distance)
- 06850Norwalk2.4 miPop 19,774 · Income $121,910
- 06880Westport3.0 miPop 27,364 · Income $250,000+
- 06854Norwalk3.6 miPop 31,753 · Income $86,399
- 06855Norwalk4.6 miPop 8,028 · Income $102,247
- 06853Norwalk5.3 miPop 3,229 · Income $250,000+
- 06840New Canaan5.4 miPop 20,704 · Income $250,000+
- 06897Wilton5.4 miPop 18,439 · Income $227,165
- 06820Darien5.9 miPop 21,683 · Income $250,000+
- 06890Southport6.0 miPop 4,566 · Income $214,523
- 06828Fairfield6.3 miPop — · Income —
- 06883Weston6.4 miPop 10,335 · Income $250,000+
- 06907Stamford6.7 miPop 9,071 · Income $104,526
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 06851, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
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ZIP code 06851 FAQ
- What city is ZIP code 06851 in?
- 06851 is in Norwalk, CT.
- What county is 06851 in?
- 06851 is in Fairfield County.
- What is the median household income in 06851?
- The median household income in 06851 is $106,978.
- Which ZIP codes are near 06851?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 06851.